#! /usr/bin/env python
#
# Copyright (C) 1998 by the Free Software Foundation, Inc.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
# 
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
# 
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software 
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

"""Script which implements admin editing of the list's html templates."""

import sys
import os, cgi, string, crypt, types
import mm_utils, maillist, mm_cfg
import htmlformat

#Editable templates.  We should also be able to edit the archive index, which 
#currently isn't a working template, but will be soon.

template_data = (('listinfo.html',    'General list information page'),
		 ('subscribe.html',   'Subscribe results page'),
		 ('options.html',     'User specific options page'),
		 ('handle_opts.html', 'Changing user options results page'),
		 ('archives.html',    'Archives index page')
		)


def InitDocument():
    return htmlformat.HeadlessDocument()

doc = InitDocument()

path = os.environ['PATH_INFO']
list_info = mm_utils.GetPathPieces(path)

if len(list_info) < 1:
    doc.AddItem(htmlformat.Header(2, "Invalid options to CGI script."))
    print doc.Format()
    sys.exit(0)

list_name = string.lower(list_info[0])

try:
    list = maillist.MailList(list_name, lock=0)
except:
    doc.AddItem(htmlformat.Header(2, "%s : No such list" % list_name))
    print doc.Format()
    sys.exit(0)

if not list._ready:
    doc.AddItem(htmlformat.Header(2, "%s : No such list" % list_name))
    print doc.Format()
    sys.exit(0)


if len(list_info) > 1:
    template_name = list_info[1]
    for (template, info) in template_data:
	if template == template_name:
	    template_info = info
	    doc.SetTitle('%s -- Edit html for %s' % 
			 (list.real_name, template_info)) 
	    break
    else:
	doc.SetTitle('Edit HTML : Error')
	doc.AddItem(htmlformat.Header(2, "%s: Invalid template" % template_name))
	doc.AddItem(list.GetMailmanFooter())
	print doc.Format()
	sys.exit(0)
else:
    doc.SetTitle('%s -- HTML Page Editing' % list.real_name)
    doc.AddItem(htmlformat.Header(1, '%s -- HTML Page Editing' % list.real_name))
    doc.AddItem(htmlformat.Header(2, 'Select page to edit:'))
    template_list = htmlformat.UnorderedList()
    for (template, info) in template_data:
	l = htmlformat.Link(os.path.join(list.GetRelativeScriptURL('edithtml'),
					 template), info)
			    
	template_list.AddItem(l)
    doc.AddItem(htmlformat.FontSize("+2", template_list))
    doc.AddItem(list.GetMailmanFooter())
    print doc.Format()
    sys.exit(0)


def FormatHTML(doc):
    doc.AddItem(htmlformat.Header(1,'%s:' % list.real_name))
    doc.AddItem(htmlformat.Header(1, template_info))

    doc.AddItem('<hr>')

    link = htmlformat.Link(list.GetRelativeScriptURL('admin'),
			   'View or edit the list configuration information.')
    doc.AddItem(htmlformat.FontSize("+1", link))
    doc.AddItem('<p>')

    doc.AddItem('<hr>')

    form = htmlformat.Form(os.path.join(list.GetRelativeScriptURL('edithtml'),
					template_name))
    doc.AddItem(form)

    password_table = htmlformat.Table()
    password_table.AddRow(['Enter the admin password to edit html:',
			   htmlformat.PasswordBox('adminpw')])
    password_table.AddRow(['When you are done making changes...', 
			   htmlformat.SubmitButton('submit', 'Submit Changes')])

    form.AddItem(password_table)

    text = mm_utils.QuoteHyperChars(list.SnarfHTMLTemplate(template_name))
    form.AddItem(htmlformat.TextArea('html_code', text, rows=40, cols=75))

def ChangeHTML(list, cgi_info, template_name, doc):
    if not cgi_info.has_key('html_code'):
	doc.AddItem(htmlformat.Header(3,"Can't have empty html page."))
	doc.AddItem(htmlformat.Header(3,"HTML Unchanged."))
	doc.AddItem('<hr>')
	return
    code = cgi_info['html_code'].value
    f = open(os.path.join(list._template_dir, template_name), 'w')
    f.write(code)
    f.close()
    doc.AddItem(htmlformat.Header(3, 'HTML successfully updated.'))
    doc.AddItem('<hr>')
    
try:
    cgi_data = cgi.FieldStorage()
    if len(cgi_data.keys()):
	if not cgi_data.has_key('adminpw'):
	    m = 'Error: You must supply the admin password to edit html.'
	    doc.AddItem(htmlformat.Header(3,
					  htmlformat.Italic(
					      htmlformat.FontAttr(
						  m, color="ff5060"))))
	    doc.AddItem('<hr>')
	else:
	    try:
		list.ConfirmAdminPassword(cgi_data['adminpw'].value)
		ChangeHTML(list, cgi_data, template_name, doc)
	    except:
		m = 'Error: Incorrect admin password.'
		doc.AddItem(htmlformat.Header(3, 
					      htmlformat.Italic(
						  htmlformat.FontAttr(
						      m, color="ff5060"))))
		doc.AddItem('<hr>')

		
	
    FormatHTML(doc)

finally:
    try:
	doc.AddItem(list.GetMailmanFooter())
	print doc.Format()
    except:
	pass